Question

solve for x 3^x =1/81​

Answer 1

Answer:

x=-4

Step-by-step explanation:

3^x=1/81

=>3^x=1/81^1       [81 can be also writtern as 81^1]

=>3^x=81^-1         [move 81 to the numerator so sign get reversed]

=>3^x=3^-4          [81^-1 can be also writtern as 3^-4]

=>x=-4

therefore value of x is -4

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